trim-before-ranges ( live-interval -- )

Vocabulary

compiler.cfg.linear-scan.allocation.spilling

Inputs

live-interval

a live-interval-state

Outputs

None

Word description

Extends the last intervals range to one after the last use point and removes all intervals beyond that.

Definition

USING: accessors compiler.cfg.linear-scan.live-intervals
compiler.cfg.linear-scan.ranges kernel math ;

IN: compiler.cfg.linear-scan.allocation.spilling

: trim-before-ranges ( live-interval -- )
    dup last-use n>> 1 + swap [ fix-upper-bound ] change-ranges
    drop ;